[BioC] getting hist(abatch) results for exprset

[Sean Davis]

On Thursday 12 April 2007 09:16, Karin Lagesen wrote:
> I am testing different normalization methods for some affy chips. I am
> looking for a way to get the same plot for the resulting exprset that
> I end up with after running vsn on an abatch object that I would get
> from running hist(abatch).
>
> I know that I can probably use densityplot from the lattice package,
> but then they start talking about kernel functions and smoothing, and
> I don't know enough about that to know what I should choose for
> densityplot to get the "same" as is in the hist function for an
> AffyBatch object.

Hi, Karin.

Does this do what you want?

plotDensity(exprs(myExprSet))

where myExprSet is your expression set.

Sean